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Systemic analysis of metabolome reconfiguration in Arabidopsis after abiotic stressors uncovers metabolites that modulate defense against pathogens

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Plant Communications 2024年第1期5卷 55-68页

作者： Antoni Garcia-Molina Victoria Pastor Centre for Research in Agricultural Genomics(CRAG)CSIC-irta-UAB-UB C/Vall MorontaEdifici CRAG08193 Bellaterra(Cerdanyola del Valles)BarcelonaSpain Department of Biology Biochemistryand Natural SciencesSchool of Technology and Experimental SciencesUniversitat Jaume I12006 Castellode la PlanaSpain

Understanding plant immune responses is complex because of the high interdependence among biological processes in homeostatic ***,the integration of environmental cues causes network rewiring that interferes with defense ***,plants retain molecular signatures configured under abiotic stress periods to rapidly respond to recurrent stress,and these can alter *** changes imposed by abiotic stressors are persistent,although their impact on defense remains to be *** this study,we profiled metabolomes of Arabidopsis plants under several abiotic stress treatments applied individually or simultaneously to capture temporal trajectories in metabolite composition during adverse conditions and *** systemic analysis was performed to address the relevance of me-tabolome changes and extract central features to be tested in *** results demonstrate irreversibility in major fractions of metabolome changes as a general pattern in response to abiotic stress ***-tionalanalysisofmetabolomesandco-abundancenetworkspoints toconvergence inthereconfigurationof organic acid and secondary metabolite *** mutant lines for components related to these metabolic pathways showed altered defense capacities against different ***,our data suggest that sustained metabolome changes configured in adverse environments can act as mod-ulators of immune responses and provide evidence for a new layer of regulation in plant defense.

关键词： abiotic stress Arabidopsis biotic stress combinatorial stress metabolomics systems biology

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Umami taste components in chicken-spices blends and potential effect of aroma on umami taste intensity

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Food Science and Human Wellness 2024年第3期13卷 1220-1230页

作者： Rani Andaleeb Yiwen Zhu Ninglong Zhang Danni Zhang Muzahir Hussain Yin Zhang Yingshuang Lu Yuan Liu Department of Food Science&Technology School of Agriculture&BiologyShanghai Jiao Tong UniversityShanghai 200240China Tianjin Key Laboratory of Food Science and Health School of MedicineNankai UniversityTianjin 300071China MoBioFood Research Group Department of Biochemistry and BiotechnologyUniversitat Rovirai VirgiliTarragona 43007Spain Animal Nutrition Institut de Recercai Tecnologia Agroalimentàries(IRTA)Centre Mas BovéConstantí43120Spain Key Laboratory of Meat Processing of Sichuan Chengdu UniversityChengdu 610106China

In this study,umami taste intensity(UTI)and umami taste components in chicken breast(CB)and chickenspices blends were characterized using sensory and instrumental *** main objective was to assess the aroma-umami taste interactions in different food matrices and reconcile the aroma-taste perception to assist future product *** impact of key aroma,including vegetable-note"2-pentylfuran",meaty"methional",green"hexanal",and spicy-note-estragole and caryophyllene"on UTI was evaluated in monosodium glutamate and chicken *** found that spices significantly decreased UTI and umami taste components in ***,the perceptually similar odorants and tastants exhibited the potential to enhance UTI in food *** was able to increase the UTI,whereas spicy and green-note components could reduce the UTI *** information would be valuable to food engineers and formulators in aroma selection to control the UTI perceived by consumers,thus,improving the quality and acceptability of the chicken products.

关键词： Chicken-spices blends Umami taste components Aroma-taste interactions Perceptual similarity Umami taste intensity

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Development of a PCR-based method to monitor arthropod dispersal in agroecosystems:Macrolophus pygmaeus(Hemiptera:Miridae)from banker plants to tomato crops

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Insect Science 2020年第5期27卷 1125-1134页

作者： Nuria Agusti Cristina Castane Irene Fraile Oscar Alomar irta(Institute of Agrifood Research and Technology) CabrilsBarcelonaSpain

Development of conservation biological control programs requires the identifi-cation of sources that contribute to predator colonization of *** pygmaeus(Rambur)(Hemiptera:Miridae)is an efficient polyphagous predator used in biological con-trol programs in vegetable crops in *** have developed a marking method based on spraying with a solution of the brine shrimp Artemia spp.(Anostraca:Artemidac)cysts,followed by a PCR detection of Artemia DNA to monitor *** dispersal from banker plants to tomato *** conducted in climatic chambers show that the topical application of this marking solution on *** does not significantly reduce adult longevity and that it is detected up to 6 d after the *** this Artemia solution was applied on Calendula officinalis *** plants harboring *** and maintained outdoors,Artemia DNA was still detected on 62%of the insects after6 *** conducted field applications in commercial greenhouses have confirmed the usefulness of this method to monitor *** dispersal from banker plants to a newly planted tomato *** method can be used to assess arthropod movement,being an interesting molecular approach for further improving future pest management strategies.

关键词： Artemia arthropod dispersal Calendula officinalis Macrolophus pygmaeus PCR analysis tomato crop

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Fine mapping and identification of candidate genes for the peach powdery mildew resistance gene Vr3

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Horticulture Research 2020年第1期7卷 343-351页

作者： Neus Marimon Jordi Luque Pere Arús Iban Eduardo Centre for Research in Agricultural Genomics(CRAG)CSIC-irta-UAB-UB Campus UAB08193 BellaterraBarcelonaSpain irta(Institut de Recerca i Tecnologia Agroalimentàries) BarcelonaSpain Plant Pathology IRTA CabrilsCarretera de Cabrils km 208348 CabrilsSpain

Powdery mildew is one of the major diseases of peach(Prunus persica),caused by the ascomycete Podosphaera ***,it is controlled through calendar-based fungicide treatments starting at petal fall,but an alternative is to develop resistant peach *** studies mapped a resistance gene(Vr3)in interspecific populations between almond(‘Texas’)and peach(‘Earlygold’).To obtain molecular markers highly linked to Vr3 and to reduce the number of candidate genes,we fine-mapped Vr3 to a genomic region of 270 kb with 27 annotated *** find evidence supporting one of these positional candidate genes as being responsible of Vr3,we analyzed the polymorphisms of the resequences of both parents and used near-isogenic lines(NILs)for expression analysis of the positional candidate genes in symptomatic or asymptomatic *** differentially expressed between resistant and susceptible individuals were annotated as a Disease Resistance Protein RGA2(Prupe2G111700)or an Eceriferum 1 protein involved in epicuticular wax biosynthesis(Prupe2G112800).Only Prupe2G111700 contained a variant predicted to have a disruptive effect on the encoded protein,and was overexpressed in both heterozygous and homozygous individuals containing the Vr3 almond allele,compared with susceptible *** information was also useful to identify and validate molecular markers tightly linked and flanking *** addition,the NILs used in this work will facilitate the introgression of this gene into peach elite materials,alone or pyramided with other known resistance genes such as peach powdery mildew resistance gene Vr2.

关键词： resistance peach mapping

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Debaryomyces hansenii supplementation in low fish meal diets promotes growth,modulates microbiota and enhances intestinal condition in juvenile marine fish

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Journal of Animal Science and Biotechnology 2024年第1期15卷 253-276页

作者： Ignasi Sanahuja Alberto Ruiz Joana P.Firmino Felipe E.Reyes-López Juan B.Ortiz-Delgado Eva Vallejos-Vidal Lluis Tort Dariel Tovar-Ramírez Isabel M.Cerezo Miguel A.Moriñigo Carmen Sarasquete Enric Gisbert Aquaculture Program Institute of Agrifood Research and Technology(IRTA)La Rapita 43540Spain Centro de Biotecnologia Acuicola Universidad de Santiago de ChileSantiagoChile Instituto de Ciencias Marinas de Andalucia(ICMAN-CSIC) Avda.Republica Saharaui no 2Campus Universitario Rio San PedroPuerto RealCadiz 11510Spain Nucleo de Investigaciones Aplicadas en Ciencias Veterinarias y Agronomicas Facultad de Medicina Veterinaria y AgronomiaUniversidad de Las AmericasSantiagoChile Department of Cell Biology Physiologyand ImmunologyUniversitat Autonoma de BarcelonaBarcelonaSpain Centro de Investigaciones Biologicas del Noroeste SC CIBNORLa PazMexico Department of Microbiology Instituto de Biotecnologia Y Desarrollo Azul(IBYDA)Faculty of SciencesUniversity of Malaga29010 MalagaSpain SCBI Bioinformatic UnitUniversity of Malaga29590 MalagaSpain

Background The development of a sustainable business model with social acceptance,makes necessary to develop new strategies to guarantee the growth,health,and well-being of farmed *** hansenii is a yeast species that can be used as a probiotic in aquaculture due to its capacity to i)promote cell proliferation and differen-tiation,ii)have immunostimulatory effects,iii)modulate gut microbiota,and/or iv)enhance the digestive *** provide inside into the effects of *** on juveniles of gilthead seabream(Sparus aurata)condition,we inte-grated the evaluation of the main key performance indicators coupled with the integrative analysis of the intestine condition,through histological and microbiota state,and its transcriptomic *** After 70 days of a nutritional trial in which a diet with low levels of fishmeal(7%)was supplemented with 1.1%of ***(17.2×10^(5) CFU),an increase of ca.12%in somatic growth was observed together with an improve-ment in feed conversion in fish fed a yeast-supplemented *** terms of intestinal condition,this probiotic modu-lated gut microbiota without affecting the intestine cell organization,whereas an increase in the staining intensity of mucins rich in carboxylated and weakly sulphated glycoconjugates coupled with changes in the affinity for certain lectins were noted in goblet *** in microbiota were characterized by the reduction in abundance of several groups of Proteobacteria,especially those characterized as opportunistic *** microarrays-based transcrip-tomic analysis found 232 differential expressed genes in the anterior-mid intestine of ***,that were mostly related to metabolic,antioxidant,immune,and symbiotic *** Dietary administration of *** enhanced somatic growth and improved feed efficiency param-eters,results that were coupled to an improvement of intestinal condition as histochemical and transcriptomic tools *** probiotic ye

关键词： Debaryomyces hansenii Intestine condition Low fish meal diet Microbiota Transcriptomics Yeast probiotic

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Automatic Fruit Morphology Phenome and Genetic Analysis:An Application in the Octoploid Strawberry

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Plant Phenomics 2021年第1期3卷 167-180页

作者： Laura M.Zingaretti Amparo Monfort Miguel Pérez-Enciso Centre for Research in Agricultural Genomics(CRAG) CSIC-IRTA-UAB-UB08193 BellaterraBarcelonaSpain Institut de Recerca i Tecnologia Agroalimentàries(irta) 08193 BarcelonaSpain ICREA Passeig de Lluís Companys 2308010 BarcelonaSpain

Automatizing phenotype measurement will decisively contribute to increase plant breeding *** phenotypes,morphological traits are relevant in many fruit breeding programs,as appearance influences consumer ***,these traits are manually or semiautomatically ***,fruit morphology evaluation can be enhanced using fully automatized procedures and digital images provide a cost-effective opportunity for this ***,we present an automatized pipeline for comprehensive phenomic and genetic analysis of morphology traits extracted from internal and external strawberry(Fragaria x ananassa)*** pipeline segments,classifies,and labels the images and extracts conformation features,including linear(area,perimeter,height,width,circularity,shape descriptor,ratio between height and width)and multivariate(Fourier elliptical components and Generalized Procrustes)*** color patterns are obtained using an autoencoder to smooth out the *** addition,we develop a variational autoencoder to automatically detect the most likely number of underlying *** modeling is employed to estimate both additive and dominance effects for all *** expected,conformational traits are clearly ***,dominance variance is higher than the additive component for most of the ***,we show that fruit shape and color can be quickly and automatically evaluated and are moderately *** we study strawberry images,the algorithm can be applied to other fruits,as shown in the GitHub repository.

关键词： breeding additive dominance

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New Insights into Plant Isoprenoid Metabolism

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Molecular Plant 2012年第5期5卷 964-967页

作者： Pablo Pulido Catalina Perello Manuel Rodriguez-Concepcion Department of Molecular Genetics Centre for Research in Agricultural Genomics (CRAG) CSIC-IRTA-UAB-UB Campus UAB Bellaterra 08193 BarcelonaSpain

Isoprenoids are a hugely diverse family of compounds derived from the C5 precursors isopentenyl diphosphate （IPP） and dimethylallyl diphosphate （DMAPP）. Although all free-living organisms synthesize isoprenoids, they are particularly abun- dant and diverse in plants, with tens of thousands structures known to date. The highest variety of plant isoprenoids are specialized （secondary） metabolites that participate in the interaction of plants with their environment. These include pigments, volatiles, and defense compounds, some of which have applications in industry and agriculture.

关键词： Metabolism Insight Plant

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Selective silencing of 2Cys and type-ⅡB Peroxiredoxins discloses their roles in cell redox state and stress signaling

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Journal of Integrative Plant Biology 2015年第6期57卷 591-601页

作者： Patrícia Vidigal Ana Montserrat Martin-Hernandez Cèlia Guiu-Aragonés Sara Amncio Luísa Carvalho Departamento de Recursos Naturais Ambiente e Território (DRAT)/Centro de Botanica Aplicada à Agricultura (CBAA)Institute of AgronomyUniversity of Lisbon Institut de Recercai Tecnologia Agroalimentàries (irta) Centre for Research in Agricultural Genomics (CSIC-IRTA-UAB-UB) Campus Universitat Autonoma de Barcelona (UAB)Edificio Center for Research in Agricultural Genomics (CRAG)

Peroxiredoxins （Prx） catalyse the reduction of hydrogen peroxide （H2O2） and, in association with catalases and other peroxidases, may participate in signal transduction by regulating intercel ular H2O2 concentration that in turn can control gene transcription and cel signaling. Using virus-induced-gene-silencing （VIGS）, 2-Cys Peroxiredoxin （2CysPrx） family and type-II Peroxiredoxin B （PrxI B） gene were silenced in Nicotiana benthamiana, to study the impact that the loss of function of each Prx would have in the antioxidant system under control （22℃） and severe heat stress conditions （48 ℃）. The results showed that both Prxs, although in different organel es, influence the regeneration of ascorbate to a significant extent, but with different purposes. 2CysPrx affects abscisic acid （ABA） biosynthesis through ascorbate, while PrxIIB does it probably;through the xanthophyl cycle. Moreover, 2CysPrx is key in H2O2 scavenging and in consequence in the regulation of ABA signal-ing downstream of reactive oxygen species and PrxIIB provides an important assistance for H2O2 peroxisome scavenges.

关键词： 2-Cys Peroxiredoxin abscisic acid ascorbate heat stress hydrogen peroxide peroxisome type-Ⅱ Peroxiredoxin B

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Vigilance behavior of Pyrenean chamois Rupicapra pyrenaica pyrenaica:Effect of sex and position in the herd

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Current Zoology 2010年第2期56卷 232-237页

作者： Antoni DALMAU Alfred FERRET Xavier MANTECA irta Finca Camps i Armet s/n Monells Universitat Autònoma de Barcelona School of Veterinary Science Departament de Ciència Animal i dels Aliments

The Pyrenean chamois Rupicapra pyrenaica pyrenaica is a mountain-dwelling ungulate with an extensive presence in open areas. Optimal group size results from the trade off between advantages （a reduction in the risk of predation） and disadvantages （competition between members of the herd） of group living. In addition, advantages and disadvantages of group living may vary depending on the position of each individual within the herd. Our objective was to study the effect of central vs. peripheral position in the herd on feeding and vigilance behavior in male and female Pyrenean chamois and to ascertain if a group size effect existed. We used focal animal sampling and recorded social interactions when a focal animal was involved. With males, vigilance rate was higher in the central part of the group than at the periphery, probably due to a higher density of animals in the central part of the herd and a higher probability of being disturbed by conspecifics. With females, vigilance rate did not differ according to position in the herd. Females spent more time feeding than males, and males showed a higher frequency of the vigilance behavior than females. We did not observe a clear relationship between group size and vigilance behavior. The differences in vigilance behavior might be due to social interactions

关键词： Antagonistic interactions Group size Position Pyrenean chamois Sex Vigilance

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Oviposition behavior of the mirid Macrolophus pygmaeus under risk of intraguild predation and cannibalism

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Insect Science 2021年第1期28卷 224-230页

作者： Frangois Dumont Eric Lucas Oscar Alomar Departement des Sciences Biologiques Universite du Quebec a MontrealCentre VilleMontrealQCCanada Sustainable Plant Protection Programme Institute of Agri food Research and Technology(IRTA)CabrilsCataloniaSpain

Zoophytophagous mirid species,that feed and develop either on prey or plant resources,are often found simultaneously on the same ***,these species can engage in both intraguild predation and cannibalism,which can pose a threat to mirid *** females may respond to such risks of predation on their eggs by reducing the number of eggs laid or selecting safer oviposition *** tested the oviposition behavior of Macrolophus pygmaeus(Rambur)(Hemiptera:Miridae)females under the risk of cannibalism by *** males and intraguild predation by Nesidiocoris tenuis(Reuter)males(Hemiptera:Miridae)under laboratory *** predators and cannibals were introduced during or after the oviposition *** number of eggs laid(using counts of newly hatched nymphs)and their proportion on each part of a tomato plant were both *** results reveal that only cannibalism by *** males after the period of oviposition significantly decreased the number of hatched *** thus represents a greater risk to mirid eggs than intraguild *** *** female responded to the presence of potential intraguild predators(or competitors)by decreasing the nu mber of eggs laid in the upper *** results suggest that *** females avoid competition by ***,by laying fewer eggs on upper *** could regulate zoophytophagous predator populations under prey scarcity conditions and minimize the risk of crop damage associated with those biological control agents.

关键词： antipredator behavior cannibalism intraguild predation Macrolophus pygmaeus',Nesidiocoris tenuis zoophytophagy

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